---
title: "React"
description: "How to use Infisical to inject environment variables and secrets into a React app."
---

Prerequisites:

- Set up and add envars to [Infisical Cloud](https://app.infisical.com)
- [Install the CLI](/cli/overview)

## Initialize Infisical for your [Create React App](https://create-react-app.dev)

```bash
# navigate to the root of your of your project 
cd /path/to/project

# then initialize infisical
infisical init
```

## Start your application as usual but with Infisical

```bash
infisical run -- <your application start command>

# Example
infisical run -- npm run dev
```

<Info>
  React environment variables must be prefixed with `REACT_APP_` to show up within the application 
</Info>